The accommodative power of the eye refers to the ability of the eye to see clearly both far and near. Accommodative power is achieved through the interaction between the ciliary muscle and the lens. When the eye is looking at a distance, the accommodation is in a relaxed state, and the imaging focus falls on the retina; when looking at close objects, the accommodation is used, that is, the ciliary muscle contracts, the lens becomes convex, and the imaging focus falls on the retina.
2. Improper light
3. Age (generally, it is a natural decrease in accommodative power in the elderly, and it will not affect children)
4. Eye shape
5. Eye disease or injury
6. Myopia without glasses
7. Drug effects
Therefore, it is recommended that parents guide their children to take appropriate breaks, adjust their eye usage, and develop good eye habits. It is recommended to use the [20-20-20 rule], that is, every 20 minutes of eye use, look into the distance 20 feet (about 6 meters) for more than 20 seconds to relieve visual fatigue caused by long-term close-up eye use.
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Post time: May-16-2025